Home / 55,565.82-76,680.21-30,071.61

Finding the Fourth Proportional to 55,565.82, 76,680.21 and 30,071.61

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Solution

The fourth proportional to 55,565.82, 76,680.21 and 30,071.61 is: 41,498.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.82 : 76,680.21 = 30,071.61 : x
  2. Step 2: Convert to fraction form
    55,565.82/76,680.21 = 30,071.61/x
  3. Step 3: Cross multiply
    55,565.82x = 76,680.21 × 30,071.61
  4. Step 4: Simplify right side
    55,565.82x = 2,305,897,369.84
  5. Step 5: Solve for x
    x = 2,305,897,369.84/55,565.82
  6. Step 6: Final answer
    x = 41,498.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.